Classifications

• • D—TEXTILES; PAPER
  • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
  • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
  • D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
  • D06M13/322—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing nitrogen
  • D06M13/325—Amines
  • D06M13/332—Di- or polyamines
• • C—CHEMISTRY; METALLURGY
  • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
  • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
  • C08G18/00—Polymeric products of isocyanates or isothiocyanates
  • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
  • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
  • C08G18/40—High-molecular-weight compounds
  • C08G18/64—Macromolecular compounds not provided for by groups C08G18/42 - C08G18/63
  • C08G18/6415—Macromolecular compounds not provided for by groups C08G18/42 - C08G18/63 having nitrogen
  • C08G18/643—Reaction products of epoxy resins with at least equivalent amounts of amines
• • C—CHEMISTRY; METALLURGY
  • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
  • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
  • C08G18/00—Polymeric products of isocyanates or isothiocyanates
  • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
  • C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
  • C08G18/72—Polyisocyanates or polyisothiocyanates
  • C08G18/80—Masked polyisocyanates
  • C08G18/8003—Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen
  • C08G18/8006—Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen with compounds of C08G18/32
  • C08G18/8041—Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen with compounds of C08G18/32 with compounds of C08G18/3271
• • C—CHEMISTRY; METALLURGY
  • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
  • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
  • C08G18/00—Polymeric products of isocyanates or isothiocyanates
  • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
  • C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
  • C08G18/72—Polyisocyanates or polyisothiocyanates
  • C08G18/80—Masked polyisocyanates
  • C08G18/8061—Masked polyisocyanates masked with compounds having only one group containing active hydrogen
  • C08G18/807—Masked polyisocyanates masked with compounds having only one group containing active hydrogen with nitrogen containing compounds
  • C08G18/8077—Oximes
• • C—CHEMISTRY; METALLURGY
  • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
  • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
  • C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
  • C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
  • C08G59/182—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing using pre-adducts of epoxy compounds with curing agents
  • C08G59/184—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing using pre-adducts of epoxy compounds with curing agents with amines
• • C—CHEMISTRY; METALLURGY
  • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
  • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
  • C08L63/00—Compositions of epoxy resins; Compositions of derivatives of epoxy resins
• • C—CHEMISTRY; METALLURGY
  • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
  • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
  • C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
  • C08L75/04—Polyurethanes
  • C08L75/12—Polyurethanes from compounds containing nitrogen and active hydrogen, the nitrogen atom not being part of an isocyanate group
• • D—TEXTILES; PAPER
  • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
  • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
  • D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
  • D06M13/322—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing nitrogen
  • D06M13/325—Amines
• • D—TEXTILES; PAPER
  • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
  • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
  • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
  • D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
  • D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
  • D06M15/55—Epoxy resins
• • D—TEXTILES; PAPER
  • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
  • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
  • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
  • D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
  • D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
  • D06M15/564—Polyureas, polyurethanes or other polymers having ureide or urethane links; Precondensation products forming them
• • D—TEXTILES; PAPER
  • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
  • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
  • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
  • D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
  • D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
  • D06M15/61—Polyamines polyimines
• • D—TEXTILES; PAPER
  • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
  • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
  • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
  • D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
  • D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
  • D06M15/643—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain
  • D06M15/6436—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain containing amino groups
• • D—TEXTILES; PAPER
  • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
  • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
  • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
  • D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
  • D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
  • D06M15/643—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain
  • D06M15/653—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain modified by isocyanate compounds
• • D—TEXTILES; PAPER
  • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
  • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
  • D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
  • D06M2101/16—Synthetic fibres, other than mineral fibres
  • D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
  • D06M2101/32—Polyesters
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
  • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
  • Y10T442/20—Coated or impregnated woven, knit, or nonwoven fabric which is not [a] associated with another preformed layer or fiber layer or, [b] with respect to woven and knit, characterized, respectively, by a particular or differential weave or knit, wherein the coating or impregnation is neither a foamed material nor a free metal or alloy layer
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
  • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
  • Y10T442/20—Coated or impregnated woven, knit, or nonwoven fabric which is not [a] associated with another preformed layer or fiber layer or, [b] with respect to woven and knit, characterized, respectively, by a particular or differential weave or knit, wherein the coating or impregnation is neither a foamed material nor a free metal or alloy layer
  • Y10T442/2861—Coated or impregnated synthetic organic fiber fabric

Definitions

• a prior art attempt to resolve the issue/reduce the buildup of bothersome odor involved treating polyester articles with biocides such as antimicrobials. Examples thereof are silver or its salts or aromatic polychlorinated compounds.
• biocides such as antimicrobials. Examples thereof are silver or its salts or aromatic polychlorinated compounds.
• the disadvantage of treating with biocides is, first, the harmful impact on the environment. Secondly, adverse effects on human skin are frequently impossible to rule out. Therefore there was a demand for products which without the use of biocides are suitable for reducing or entirely eliminating the buildup of bothersome unpleasant odors on textiles.
• the problem addressed by the present invention was accordingly that of providing products which are suitable for treating textile fabrics, especially textile fabrics composed of polyester materials, and the use of which makes it possible to suppress or completely eliminate bothersome odors in textiles.
• the problem addressed by the present invention was further that of providing textile fabrics, especially fabrics consisting wholly or predominantly of polyester fibers/filaments and which, following contact with human skin and subsequent laundering, have at most minimal tendency to form unpleasant odor.
• R is alkyl of 6 to 24 and preferably of 12 to 18 carbon atoms and n is from 0 to 10,
• T is alkyl of 1 to 6 carbon atoms
• x, y and z are each from 0 to 50 subject to the proviso that the sum x+y+z is from 3 to 100 and preferably 5 or 6,
• the liquid composition contains a component A comprising one or more reaction products as defined in claim 1 , 2 or 3 and a component B comprising at least one monoisocyanate or polyisocyanate or a mixture of such isocyanates, wherein the isocyanates can be present in free or blocked form.
• the liquid composition may have a pH of less than 7, for example as a result of adding acetic acid.
• the textile fabrics of the present invention are preferably wovens or knits consisting of polyester at 50 to 100 wt %, preferably 90 to 100 wt %.
• Polyester-containing textile fabrics of the abovementioned type have the advantage that they, unlike known textiles, are distinctly less prone to form unpleasant odors after contact with human perspiration and subsequent washing than known textiles. They can further be produced without using biocides, which has advantages in respect of the environment and skin compatibility. It is believed that the textiles of the present invention not only have a barrier layer which prevents the penetration of sweat into the fiber material but also facilitate the removability of sweat by laundering.
• the textile fabrics can also consist of other fibers where odoriferousness is an issue.
• the textiles can also consist of blends of polyester fibers with other fibers.
• the fibers are polyester fibers and textile fabrics consisting of 100 wt % polyethylene terephthalate must be mentioned in particular. Fibers of aliphatic or aromatic polyamides are useful as well as polyester fibers.
• the textiles of the present invention preferably consist of polyester fibers at 50 to 100 wt % and especially at 90 to 100 wt %.
• polyester fibers here subsumes not only continuous filaments but also staple/spinnable fibers.
• the rest may consist of other fibers such as, for example, cotton fibers, elastane fibers or polyamide fibers.
• polyester fibers used preferably consist of polyethylene terephthalate (PET). However, other polyesters can also be used or, mixed with PET, co-used.
• the textile fabrics of the present invention are preferably wovens or knits. They may preferably be used in the manufacture of articles which come into contact with human skin during use. Examples are sportswear and workwear.
• the possible reason for the reduction in bothersome odor with the textile fabrics of the present invention is believed to reside in the surface structure/morphology of the treated fabrics.
• the liquid composition applied to the textile fabrics is preferably an aqueous liquor for environmental and cost reasons.
• compositions in organic solvents or solvent mixtures can optionally also be used.
• Pad-mangling is preferably used to apply liquid compositions to the textile fabrics.
• Customary liquor concentrations known from the textile industry can be used in the pad-mangling operation.
• the concentration of the liquor, preferably of the aqueous liquor, in the pad-mangling operation as well as the other pad-mangling conditions are preferably adjusted such that, after curing, there is an add-on of 0.5 to 3 wt % on the fabric, based on water-free and solvent-free product.
• the textiles are dried and cured.
• Drying is preferably done at a temperature in the range from 100 to 120° C.
• Curing serves to anchor the products on the fiber and is preferably carried out at a temperature in the range from 140 to 180° C. in the case of polyester fabrics.
• reaction products of the present invention component A
• isocyanates component B
• textile material combine to form materials responsible for the good odor control properties of the textile.
• fabrics composed of fiber materials are treated with a liquid composition, dried and cured.
• the liquid composition contains a component A comprising at least one reaction product of the present invention, formed from aliphatic amine and aliphatic epoxide, and a component B comprising at least one monoisocyanate or polyisocyanate.
• the liquid composition may also contain two or more products coming within the below-recited definition of component A and/or two or more products coming within the definition of component B.
• Component A contains at least one reaction product of aliphatic monoamine or polyamine or of mixtures of such amines with aliphatic monoepoxide or polyepoxide or with mixtures of such epoxides.
• Component B contains at least one monoisocyanate or polyisocyanate or a mixture of such isocyanates.
• the corresponding isocyanates may be present in free form or in completely or partially blocked form.
• known blocking agents may be used, preferably ketone oximes such as butanone oxime. The blocking is reversible at elevated temperature, for example at the curing temperature.
• the amines reacted with epoxides to obtain component A are aliphatic mono- or polyamines or mixtures of such amines.
• the epoxides here are likewise aliphatic compounds, namely aliphatic mono- or polyepoxides.
• Polyamines” or “polyepoxides” herein are products containing two or more amino groups and epoxy groups, respectively, in the molecule. Amines containing aromatic groups and epoxides containing aromatic groups are less suitable or completely unsuitable.
• Reaction products of the present invention are prepared using mono- or polyamines containing at least one primary amino group. Secondary amino groups can additionally also be present as well.
• the amines are preferably reacted with mono- or polyepoxides under such conditions that the product formed still contains free amino groups.
• the reaction can be carried out with or without a solvent, preferably at a temperature in the range from 70° C. to 130° C. and in such amounts that the product resulting after the reaction still contains free amino groups.
• Useful amines are particularly suitably a) comparatively long-chain primary or secondary aliphatic mono- or polyamines, of formula
• polyetheramines such as the products of the JEFFAMINE range from Huntsman Corp. Products of the JEFFAMINE range conform to the abovementioned structural formula b). They are obtainable by reacting amines such as hydrogenated tallowamines for example with ethylene oxide and/or propylene oxide.
• amines such as hydrogenated tallowamines for example with ethylene oxide and/or propylene oxide.
• JEFFAMINE T 403 is described in technical bulletins available from Huntsman Corp.
• Useful amines or polyamines for the reaction with mono- or polyepoxides further include c) amino-functional polyorganosiloxanes. That is, polydialkylsiloxanes, especially polydimethylsiloxanes, where some alkyl groups are replaced by aliphatic moieties containing one or two amino groups. These aliphatic moieties are preferably moieties of formula
• Products particularly suitable for use as component A and hence preferred for use as component A are formed by reaction of two or more amines with monoepoxide or polyepoxide, wherein the reaction utilizes not only amines of the formula recited under a) but also amines of the formula recited under b) and optionally also amines of the formula recited under c), while the individual types of amines can be used in the reaction as a mixture or individually in succession.
• the epoxides used for preparing component A are aliphatic mono- or polyepoxides, especially with 1 or 2 epoxy groups. Products containing ether groups as well as epoxy functions are highly suitable.
• One example is the ARALDIT DY-H product from Huntsman Corp.
• the reaction preferably utilizes diepoxides of formula
• diepoxides of this formula where in each of which a hydrogen atom of the epoxy group is replaced by a methyl group.
• the liquid composition used for treating the textile fabrics in addition to component A as described above, further contains at least one component B.
• This component B is a monoisocyanate or a polyisocyanate, i.e., a product having one or more isocyanate groups.
• Component B can also be a mixture of such isocyanates.
• component B may also contain aromatic moieties. Aliphatic or aromatic diisocyanates or mixtures of diisocyanates are particularly useful as component B.
• component B examples thereof are unsubstituted or alkyl-substituted 1,6-hexamethylene diisocyanate, 4,4′-diphenylmethane diisocyanate, 4,4′-dicyclohexylmethylene diisocyanate or tolylene diisocyanate.
• component B polyisocyanates containing prepolymers or precondensates of the abovementioned isocyanate compounds, which are formed by reaction with mono- or polyhydric alcohols and which still contain free isocyanate groups. These prepolymers or precondensates thus contain urethane bonds as well as free isocyanate groups.
• component B enhances the durability of the odor control finish on the textile fabrics of the present invention, as becomes especially noticeable after these articles have been repeatedly worn and washed.
• the textile is treated with a commercially available rinse-cycle fabric conditioner.
• scent chemicals or perfumes for example limonene, citronella, acetate ester, pinenes, etc.
• polyester material treated according to the invention is a textile which, after sweating and subsequent cooling, has a wool-like character in place of the typical polyester feel.
• the textile fabrics of the present invention are preferably wovens or knits, especially textiles consisting wholly or predominantly of polyester. They are very useful in the manufacture of articles which come into contact with human skin during use. Said articles can be sportswear or work clothing. When textile fabrics of the present invention are used, this provides the positive effect of unpleasant sweaty odor being reduced after laundering.
• stearylamine 10 g of an amino-functional polydimethylsiloxane and 11 g of a polyetheramine were mixed and the mixture was heated to from 100° C. to 110° C. At this temperature, 95 g of a diepoxide were added dropwise. After cooling to 60° C., 24 g of acetic acid, 20 g of dispersants and 710 g of water were added.
• the polyetheramine used was JEFFAMINE T-403, while the diepoxide was an aliphatic diepoxide (ARALDIT DY-H) having a diglycidyl ether group at both ends of an alkylene chain.
• ARALDIT DY-H aliphatic diepoxide having a diglycidyl ether group at both ends of an alkylene chain.
• a mixture of ethoxylated products was used as dispersants.
• Example 1a was repeated except that the mixture before the dropwise addition of the diepoxide was only heated to about 70° C. and 680 g of water were added at the end of the synthesis and not 710 g.
• Example 1a 76 g of stearylamine, 94 g of the same diepoxide as in Example 1a), 10 g of an amino-functional polydimethylsiloxane and 21 g of a polyetheramine (JEFFAMINE D-400) were mixed together at room temperature. The mixture was then heated to about 100° C. and was subsequently mixed with 20 g of dispersant (mixture of ethoxylated products), 29 g of acetic acid and then, at 80° C., with 250 g of water. On cooling to room temperature, a light beige, slightly cloudy liquid was obtained and it was subsequently diluted to 20 wt % active content to reduce the viscosity. The product obtained is hereinbelow referred to as “formulation 1c”.
• PDMSs Two different amino-functional polydimethylsiloxanes (PDMSs) were used in examples 1a) to 1c).
• the PDMS used in Examples 1a) and 1b) was a polymer having a linear polydimethylsiloxane chain with a trimethylsilyl group at each end. Some methyl groups were replaced by amino-containing side chains of formula
• the nitrogen content of this silicone was about 3 wt %.
• the PDMS used in Example 1c) likewise contained a linear PDMS chain with —Si(CH 3 ) 3 end groups and the same side chains as described in the case of 1a) and 1b).
• the nitrogen content of the Example 1c) PDMS was 7.1 wt %.
• Formulations 1a to 1d were used to prepare the corresponding “recipes” 2a to 2k by adding a product, or product mixture, having isocyanate groups.
• the product mixture containing isocyanate groups was a prepolymer having polyurethane groups and isocyanate groups partly blocked by reaction with butanone oxime.
• the prepolymer was constructed by reacting diphenylmethane diisocyanate, 1,1,1-trimethylolpropane, propylene glycol and N-methyldiethanolamine and was a product which also contained water, ethoxylated alcohol and small amounts of hydrochloric acid. This prepolymer is hereinbelow referred to as “PP”.
• TDI is a prepolymer similar to PP, but with tolylene diisocyanate instead of diphenylmethane diisocyanate
• CDI is a prepolymer similar to PP but with dicyclohexylmethylene diisocyanate.
• Recipes 2a to 2k were used as aqueous liquors for pad-mangle treatment of blue-dyed polyester fabric specimens. Subsequent to recipe application, the individual fabric specimens were dried at 100-105° C. and cured for 5 minutes at about 150° C. The tests were carried out using different fabric add-on levels for the individual recipes. After curing, the specimens were subjected to a test for determining the ROI value.
• the ROI relative odor index
• 3-Methyl-2-hexenoic acid is the “sweat acid” used in the tests because it occurs in human sweat.
• the fabric specimen is placed in a sealable vessel.
• the sweat acid is dripped onto a glass fiber filter which is in the vessel but not in direct contact with the fabric, so that the sweat acid is only in the vapor space above the specimen.
• the vessel is then sealed and conditioned at 37° C. for 20 hours, so that the fabric can take up the sweat acid from the vapor space.
• the fabric specimen is subsequently washed with a commercially available laundry detergent and extracted with a mixture of pyridine and BSTFA (N,O-bis(trimethylsilyl)trifluoroacetamide).
• the amount of sweat acid is then determined using gas chromatography/mass spectrometry.
• the value found is related to that found in the case of an unfinished specimen of polyester to obtain the ROI value which is defined as the ratio of extracted sweat acid quantity on finished PES to extracted sweat acid quantity on non-finished PES.
• a smaller ROI value means that there was less sweat acid on the investigated specimen than in the case of a larger ROI value.
• the ROI value was determined on the individual fabric specimens after finishing and after several washes in each case. The washes were carried out at 40° C. using a commercially available domestic laundry detergent.
• Test 3a (in accordance with the invention): 30 g/l of recipe 2a
• Test 3c 60 g/l of formulation 1c+10 g/l PP
• Test 3e (in accordance with the invention): 60 g/l of formulation 1b+10 g/l PP
• the T-shirts were washed and then finished with the recipes of tests 3a, 3c and 3e, dried and cured.
• the non-finished comparative material was sewn together with the fabric specimens of tests 3a, 3c and 3e, respectively, to form T-shirts.
• These T-shirts were worn by different test persons directly on the skin during a bout of physical exercise (playing tennis).
• the two constituent-part fabrics of the T-shirts were separated again in each case and each of the two constituent parts was stored separately in a sealed vessel at 37° C. and at room temperature respectively for 2 days. Thereafter, the bottles were briefly opened and the odor assessed by various test persons.
• the specimens were subsequently washed and put back into the vessels, which were sealed and stored at 40° C. for 1 day.
• the wash was done with customary domestic laundry detergent. After opening the vessels, various test persons performed a second odor assessment.

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• Chemical & Material Sciences (AREA)
• Chemical Kinetics & Catalysis (AREA)
• Engineering & Computer Science (AREA)
• Textile Engineering (AREA)
• Health & Medical Sciences (AREA)
• Medicinal Chemistry (AREA)
• Polymers & Plastics (AREA)
• Organic Chemistry (AREA)
• Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)

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• 2011
  • 2011-03-05 EP EP20110001851 patent/EP2497857A1/fr not_active Withdrawn
• 2012
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  • 2012-02-29 BR BR112013021439-2A patent/BR112013021439B1/pt active IP Right Grant
  • 2012-02-29 CN CN201280011662.8A patent/CN103403248B/zh active Active
  • 2012-02-29 US US13/985,142 patent/US20130333121A1/en active Pending
  • 2012-02-29 MX MX2013010150A patent/MX348713B/es active IP Right Grant
  • 2012-02-29 WO PCT/EP2012/053394 patent/WO2012119893A1/fr active Application Filing

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